Bed



FIG. 1 shows a top elevational view of a bed showing my new design;

FIG. 2 shows a left side view thereof;

FIG. 3 shows a bottom view thereof;

FIG. 4 shows a rear view thereof;

FIG. 5 shows a front view thereof; and,

FIG. 6 shows a right side view thereof.

The broken lines are for environmental purposes only and form no part of the claimed design. 

The ornamental design for bed, as shown and described. 